Question: The following table displays the weights for computing the principal components and the standardized data (z-scores) for three observations. a. Compute the first principal component

The following table displays the weights for computing the principal components and the standardized data (z-scores) for three observations. Weight X1 X X3 Observation 1 Observation 2 Observation 3 PC -0.57

a. Compute the first principal component score for observation 1.

b. Compute the second principal component score for observation 2.

c. Compute the third principal component score for observation 3.

Weight X1 X X3 Observation 1 Observation 2 Observation 3 PC -0.57 -0.64 0.52 PC Z 0.71 2.81 PC3 0.62 0.55 0.09 -0.76 0.78 -0.34 Z Z3 0.33 -0.36 2.44 -1.41 -0.76 -1.18 1.37

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